This is a great, and green, way to decorate your house for Halloween. Almost everyone has a few pieces of scrap wood that they could use to make some scary looking boarded up windows.
I first measured my windows and made a frame out of 1″x2″ furring strips. The “boards are scrap 1/4” plywood left over from building the coffin. I arranged the boards around the frame until I thought it looked good. I then screwed all the boards down to the frame
More about DIY Halloween: Boarded up windows